19859996

素因数分解:

$2^2\times {\mathrm{13}}^1\times {\mathrm{617}}^1\times {\mathrm{619}}^1$

素因数の和:1253

約数の個数: 24

約数和(自身を含む): 37549680

約数和(自身を除く): 17689684

約数列:

[1, 2, 4, 13, 26, 52, 617, 619, 1234, 1238, 2468, 2476, 8021, 8047, 16042, 16094, 32084, 32188, 381923, 763846, 1527692, 4964999, 9929998, 19859996]

約数ペア:

[(1, 19859996), (2, 9929998), (4, 4964999), (13, 1527692), (26, 763846), (52, 381923), (617, 32188), (619, 32084), (1234, 16094), (1238, 16042), (2468, 8047), (2476, 8021)]